Unifix Drywall Screws Wafer Head - 4.2 x 14mm - Silver - Box of 1000

The Unifix Drywall Screws are engineered for efficient and reliable drywall installation. Featurin...

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The RangeUnifix Drywall Screws Wafer Head Standard Point Bright Zinc Plated Ce - 4.2 X 14Mm (Box Of 1000) - Silver
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eBayUnifix Drywall Screws Wafer Head 4.2 x 14mm - 9DRYWAFZ/010 - Box of 1000
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DebenhamsUnifix Unisex Silver Drywall Screws Wafer Head 4.2 X 14Mm - Box Of 1000 In
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OnBuy.comUnifix Drywall Screws Wafer Head 4.2 X 14Mm - 9Drywafz/010 - Box Of 1000 5014196691763
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B&QB&Q - Drywall Screws Wafer Head Standard Point Bzp 4.2 X 14mm Model 9Drywafz/010 Box Of 1000
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Product Information

Full details

The Unifix Drywall Screws are designed for professional contractors and DIY enthusiasts who require a reliable, high-volume solution for drywall installation. These 4.2 x 14mm screws excel at providing a flush finish and superior grip due to their precision wafer head design, making them an excellent choice for framing and mounting projects. While they offer exceptional durability with a bright zinc plated finish, users should note that the 14mm length is best suited for thin-material applications and may not be appropriate for multi-layer drywall installations.

All features

ColourSilver
Model Part Number1426140
BrandUnifix

Extended Product Information

FAQs

Can these screws be used outdoors?

These screws are bright zinc plated, which is intended primarily for indoor use. They are not recommended for permanent exterior exposure.

What driver bit size do I need?

These screws typically require a standard #2 Phillips driver bit for optimal installation.

Are these suitable for heavy-duty timber?

No, these are designed for drywall applications and thin-gauge materials, not for heavy structural timber projects.

How many screws come in a pack?

This product comes in a bulk box containing 1000 screws.

What does 'wafer head' mean?

A wafer head is a low-profile head design that sits flush with the surface, preventing the screw from bulging or tearing the material it is fastening.

Are these screws self-drilling?

They feature a standard point designed for efficient penetration into drywall and soft backing materials; they are not classified as heavy-duty self-drilling screws for thick steel.

Troubleshooting

Screw strips during installation

Verify that you are using the correct bit size and reduce the torque setting on your drill.

Screw head protrudes from the surface

Check your screw gun's depth control setting; adjust it slightly to ensure the head sits flush with the material surface.

Screw fails to grip the stud

Ensure you are using the correct pilot hole size if required, or confirm the stud material density is appropriate for the screw point type.

Pros and Cons

Pros

  • Wafer head ensures a smooth, flush finish
  • Bright zinc plating adds corrosion resistance
  • High-count pack of 1000 for large projects
  • Consistent, reliable thread quality

Cons

  • 14mm length is too short for thick drywall boards
  • Not intended for heavy-duty structural load-bearing
  • Zinc plating is primarily for indoor use

Setup, Compatibility & Care

To achieve the best results, use a standard #2 Phillips or appropriately sized driver bit to match the head. Ensure that your power drill or screw gun is set to a medium torque setting; driving these too deep into thin material can result in spinning the screw if the stud material is soft. Since these screws feature a bright zinc finish, they are best kept in a dry environment to prevent moisture-induced surface oxidation before use. When storing, keep the box sealed to prevent loss of contents and to protect the zinc coating from abrasive dust or debris.

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